DE3023492C2 - Brandschutzkomponente, deren Herstellung und Verwendung - Google Patents
Brandschutzkomponente, deren Herstellung und VerwendungInfo
- Publication number
- DE3023492C2 DE3023492C2 DE19803023492 DE3023492A DE3023492C2 DE 3023492 C2 DE3023492 C2 DE 3023492C2 DE 19803023492 DE19803023492 DE 19803023492 DE 3023492 A DE3023492 A DE 3023492A DE 3023492 C2 DE3023492 C2 DE 3023492C2
- Authority
- DE
- Germany
- Prior art keywords
- weight
- fire protection
- ether
- fire
- protection component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title description 8
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 229920003987 resole Polymers 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims description 8
- 229930003836 cresol Natural products 0.000 claims description 8
- 230000031709 bromination Effects 0.000 claims description 3
- 238000005893 bromination reaction Methods 0.000 claims description 3
- 150000002903 organophosphorus compounds Chemical class 0.000 claims description 3
- 150000005526 organic bromine compounds Chemical class 0.000 claims description 2
- VWLVQMBECUBBQR-UHFFFAOYSA-N 3,3,4,4,5,5,6-heptabromo-6-(1,4,4,5,5,6,6-heptabromocyclohex-2-en-1-yl)oxycyclohexene Chemical compound O(C1(C(C(C(C=C1)(Br)Br)(Br)Br)(Br)Br)Br)C1(C(C(C(C=C1)(Br)Br)(Br)Br)(Br)Br)Br VWLVQMBECUBBQR-UHFFFAOYSA-N 0.000 claims 1
- 229920005989 resin Polymers 0.000 description 18
- 239000011347 resin Substances 0.000 description 18
- 239000000243 solution Substances 0.000 description 16
- 229910019142 PO4 Inorganic materials 0.000 description 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 8
- 235000021317 phosphate Nutrition 0.000 description 8
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 7
- -1 alkylaryl phosphate Chemical compound 0.000 description 7
- 239000010452 phosphate Substances 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000001294 propane Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 4
- 229910052794 bromium Inorganic materials 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- NLBLNZDNOSSGPW-UHFFFAOYSA-N 1,2,3,4,5-pentabromo-6-(2,3-dibromophenoxy)benzene Chemical compound BrC1=CC=CC(OC=2C(=C(Br)C(Br)=C(Br)C=2Br)Br)=C1Br NLBLNZDNOSSGPW-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CSEIJPUCFDDXGS-UHFFFAOYSA-N (2-hexylphenyl) dihydrogen phosphate Chemical compound CCCCCCc1ccccc1OP(O)(O)=O CSEIJPUCFDDXGS-UHFFFAOYSA-N 0.000 description 1
- XMNDMAQKWSQVOV-UHFFFAOYSA-N (2-methylphenyl) diphenyl phosphate Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 XMNDMAQKWSQVOV-UHFFFAOYSA-N 0.000 description 1
- ORYGKUIDIMIRNN-UHFFFAOYSA-N 1,2,3,4-tetrabromo-5-(2,3,4,5-tetrabromophenoxy)benzene Chemical compound BrC1=C(Br)C(Br)=CC(OC=2C(=C(Br)C(Br)=C(Br)C=2)Br)=C1Br ORYGKUIDIMIRNN-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- KLSLBUSXWBJMEC-UHFFFAOYSA-N 4-Propylphenol Chemical compound CCCC1=CC=C(O)C=C1 KLSLBUSXWBJMEC-UHFFFAOYSA-N 0.000 description 1
- NOVRNQABPJMEKS-UHFFFAOYSA-N C1=CC=C(C=C1)C(CCCCCOP(=O)(O)O)C2=CC=CC=C2 Chemical compound C1=CC=C(C=C1)C(CCCCCOP(=O)(O)O)C2=CC=CC=C2 NOVRNQABPJMEKS-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 125000000853 cresyl group Chemical group C1(=CC=C(C=C1)C)* 0.000 description 1
- FJBFPHVGVWTDIP-UHFFFAOYSA-N dibromomethane Chemical compound BrCBr FJBFPHVGVWTDIP-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- KMSNCDKFBPJXRF-UHFFFAOYSA-N hexyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCCCCC)OC1=CC=CC=C1 KMSNCDKFBPJXRF-UHFFFAOYSA-N 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/34—Ignifugeants
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K21/00—Fireproofing materials
- C09K21/06—Organic materials
- C09K21/12—Organic materials containing phosphorus
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/165—Ethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/41—Phenol-aldehyde or phenol-ketone resins
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/0002—Flame-resistant papers; (complex) compositions rendering paper fire-resistant
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/0373—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement containing additives, e.g. fillers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0104—Properties and characteristics in general
- H05K2201/012—Flame-retardant; Preventing of inflammation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/12—Using specific substances
- H05K2203/122—Organic non-polymeric compounds, e.g. oil, wax or thiol
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
- Fireproofing Substances (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803023492 DE3023492C2 (de) | 1980-06-24 | 1980-06-24 | Brandschutzkomponente, deren Herstellung und Verwendung |
| JP9813481A JPS5790077A (en) | 1980-06-24 | 1981-06-24 | Fireproof component and manufacture |
| FR8112434A FR2485559A1 (enrdf_load_stackoverflow) | 1980-06-24 | 1981-06-24 | |
| GB8119487A GB2082592B (en) | 1980-06-24 | 1981-06-24 | Fire protection components containing brominated diphenylethers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803023492 DE3023492C2 (de) | 1980-06-24 | 1980-06-24 | Brandschutzkomponente, deren Herstellung und Verwendung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3023492A1 DE3023492A1 (de) | 1982-02-11 |
| DE3023492C2 true DE3023492C2 (de) | 1982-08-26 |
Family
ID=6105267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803023492 Expired DE3023492C2 (de) | 1980-06-24 | 1980-06-24 | Brandschutzkomponente, deren Herstellung und Verwendung |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5790077A (enrdf_load_stackoverflow) |
| DE (1) | DE3023492C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2485559A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2082592B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143121C1 (de) * | 1981-10-30 | 1983-02-24 | Dynamit Nobel Ag, 5210 Troisdorf | Kupferkaschiertes Hartpapier aus einem flammwidrigen Schichtpressstoff |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3217614C2 (de) * | 1982-05-11 | 1984-03-08 | Chemische Fabrik Kalk GmbH, 5000 Köln | Tetrakis-(tri- bzw. pentabromphenoxymethylen)-diphenyläther, deren Herstellung und Verwendung als Brandschutzmittel in Kunststoffen |
| US4477512A (en) * | 1983-04-29 | 1984-10-16 | Westinghouse Electric Corp. | Flexibilized flame retardant B-staged epoxy resin prepregs and composite laminates made therefrom |
| US6673113B2 (en) | 2001-10-18 | 2004-01-06 | Spinecore, Inc. | Intervertebral spacer device having arch shaped spring elements |
| US7169182B2 (en) | 2001-07-16 | 2007-01-30 | Spinecore, Inc. | Implanting an artificial intervertebral disc |
| US7771477B2 (en) | 2001-10-01 | 2010-08-10 | Spinecore, Inc. | Intervertebral spacer device utilizing a belleville washer having radially spaced concentric grooves |
| US8038713B2 (en) | 2002-04-23 | 2011-10-18 | Spinecore, Inc. | Two-component artificial disc replacements |
| US20080027548A9 (en) | 2002-04-12 | 2008-01-31 | Ferree Bret A | Spacerless artificial disc replacements |
| US6908484B2 (en) | 2003-03-06 | 2005-06-21 | Spinecore, Inc. | Cervical disc replacement |
| JP7002850B2 (ja) | 2017-03-22 | 2022-02-04 | 株式会社東芝 | グラフェン配線構造の作製方法、配線構造の作製方法 |
-
1980
- 1980-06-24 DE DE19803023492 patent/DE3023492C2/de not_active Expired
-
1981
- 1981-06-24 FR FR8112434A patent/FR2485559A1/fr not_active Withdrawn
- 1981-06-24 JP JP9813481A patent/JPS5790077A/ja active Pending
- 1981-06-24 GB GB8119487A patent/GB2082592B/en not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143121C1 (de) * | 1981-10-30 | 1983-02-24 | Dynamit Nobel Ag, 5210 Troisdorf | Kupferkaschiertes Hartpapier aus einem flammwidrigen Schichtpressstoff |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3023492A1 (de) | 1982-02-11 |
| GB2082592B (en) | 1984-03-28 |
| JPS5790077A (en) | 1982-06-04 |
| FR2485559A1 (enrdf_load_stackoverflow) | 1981-12-31 |
| GB2082592A (en) | 1982-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8339 | Ceased/non-payment of the annual fee |